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ca0a789a AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-usb-a9260.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2006 Atmel | |
6 | * Copyright (C) 2007 Calao-systems | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include <linux/types.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/mm.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/platform_device.h> | |
28 | #include <linux/spi/spi.h> | |
29 | #include <linux/gpio_keys.h> | |
30 | #include <linux/input.h> | |
31 | #include <linux/clk.h> | |
32 | ||
ca0a789a AV |
33 | #include <asm/setup.h> |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/irq.h> | |
36 | ||
37 | #include <asm/mach/arch.h> | |
38 | #include <asm/mach/map.h> | |
39 | #include <asm/mach/irq.h> | |
40 | ||
e505240b | 41 | #include <mach/hardware.h> |
a09e64fb RK |
42 | #include <mach/board.h> |
43 | #include <mach/gpio.h> | |
44 | #include <mach/at91_shdwc.h> | |
ca0a789a AV |
45 | |
46 | #include "generic.h" | |
47 | ||
48 | ||
49 | static void __init ek_map_io(void) | |
50 | { | |
51 | /* Initialize processor: 12.000 MHz crystal */ | |
52 | at91sam9260_initialize(12000000); | |
53 | ||
54 | /* DGBU on ttyS0. (Rx & Tx only) */ | |
55 | at91_register_uart(0, 0, 0); | |
56 | ||
57 | /* set serial console to ttyS0 (ie, DBGU) */ | |
58 | at91_set_serial_console(0); | |
59 | } | |
60 | ||
61 | static void __init ek_init_irq(void) | |
62 | { | |
63 | at91sam9260_init_interrupts(NULL); | |
64 | } | |
65 | ||
66 | ||
67 | /* | |
68 | * USB Host port | |
69 | */ | |
70 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
71 | .ports = 2, | |
72 | }; | |
73 | ||
74 | /* | |
75 | * USB Device port | |
76 | */ | |
77 | static struct at91_udc_data __initdata ek_udc_data = { | |
78 | .vbus_pin = AT91_PIN_PC5, | |
79 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
80 | }; | |
81 | ||
82 | /* | |
83 | * MACB Ethernet device | |
84 | */ | |
85 | static struct at91_eth_data __initdata ek_macb_data = { | |
86 | .phy_irq_pin = AT91_PIN_PA31, | |
87 | .is_rmii = 1, | |
88 | }; | |
89 | ||
90 | /* | |
91 | * NAND flash | |
92 | */ | |
93 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
94 | { | |
95 | .name = "Uboot & Kernel", | |
e505240b AV |
96 | .offset = 0, |
97 | .size = SZ_16M, | |
ca0a789a AV |
98 | }, |
99 | { | |
100 | .name = "Root FS", | |
e505240b AV |
101 | .offset = MTDPART_OFS_NXTBLK, |
102 | .size = 120 * SZ_1M, | |
ca0a789a AV |
103 | }, |
104 | { | |
105 | .name = "FS", | |
e505240b AV |
106 | .offset = MTDPART_OFS_NXTBLK, |
107 | .size = 120 * SZ_1M, | |
ca0a789a AV |
108 | } |
109 | }; | |
110 | ||
111 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | |
112 | { | |
113 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
114 | return ek_nand_partition; | |
115 | } | |
116 | ||
7c896834 | 117 | static struct atmel_nand_data __initdata ek_nand_data = { |
ca0a789a AV |
118 | .ale = 21, |
119 | .cle = 22, | |
120 | // .det_pin = ... not connected | |
121 | .rdy_pin = AT91_PIN_PC13, | |
122 | .enable_pin = AT91_PIN_PC14, | |
123 | .partition_info = nand_partitions, | |
f6ed6f78 | 124 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
ca0a789a AV |
125 | .bus_width_16 = 1, |
126 | #else | |
127 | .bus_width_16 = 0, | |
128 | #endif | |
129 | }; | |
130 | ||
131 | /* | |
132 | * GPIO Buttons | |
133 | */ | |
134 | ||
135 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
136 | static struct gpio_keys_button ek_buttons[] = { | |
137 | { /* USER PUSH BUTTON */ | |
138 | .code = KEY_ENTER, | |
139 | .gpio = AT91_PIN_PB10, | |
140 | .active_low = 1, | |
141 | .desc = "user_pb", | |
142 | .wakeup = 1, | |
143 | } | |
144 | }; | |
145 | ||
146 | static struct gpio_keys_platform_data ek_button_data = { | |
147 | .buttons = ek_buttons, | |
148 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
149 | }; | |
150 | ||
151 | static struct platform_device ek_button_device = { | |
152 | .name = "gpio-keys", | |
153 | .id = -1, | |
154 | .num_resources = 0, | |
155 | .dev = { | |
156 | .platform_data = &ek_button_data, | |
157 | } | |
158 | }; | |
159 | ||
160 | static void __init ek_add_device_buttons(void) | |
161 | { | |
162 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ | |
163 | at91_set_deglitch(AT91_PIN_PB10, 1); | |
164 | ||
165 | platform_device_register(&ek_button_device); | |
166 | } | |
167 | #else | |
168 | static void __init ek_add_device_buttons(void) {} | |
169 | #endif | |
170 | ||
171 | /* | |
172 | * LEDs | |
173 | */ | |
174 | static struct gpio_led ek_leds[] = { | |
175 | { /* user_led (green) */ | |
176 | .name = "user_led", | |
177 | .gpio = AT91_PIN_PB21, | |
178 | .active_low = 0, | |
179 | .default_trigger = "heartbeat", | |
180 | } | |
181 | }; | |
182 | ||
183 | static void __init ek_board_init(void) | |
184 | { | |
185 | /* Serial */ | |
186 | at91_add_device_serial(); | |
187 | /* USB Host */ | |
188 | at91_add_device_usbh(&ek_usbh_data); | |
189 | /* USB Device */ | |
190 | at91_add_device_udc(&ek_udc_data); | |
191 | /* NAND */ | |
192 | at91_add_device_nand(&ek_nand_data); | |
193 | /* I2C */ | |
194 | at91_add_device_i2c(NULL, 0); | |
195 | /* Ethernet */ | |
196 | at91_add_device_eth(&ek_macb_data); | |
197 | /* Push Buttons */ | |
198 | ek_add_device_buttons(); | |
199 | /* LEDs */ | |
200 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
201 | /* shutdown controller, wakeup button (5 msec low) */ | |
202 | at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | |
203 | | AT91_SHDW_RTTWKEN); | |
204 | } | |
205 | ||
206 | MACHINE_START(USB_A9260, "CALAO USB_A9260") | |
207 | /* Maintainer: calao-systems */ | |
208 | .phys_io = AT91_BASE_SYS, | |
209 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
210 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
211 | .timer = &at91sam926x_timer, | |
212 | .map_io = ek_map_io, | |
213 | .init_irq = ek_init_irq, | |
214 | .init_machine = ek_board_init, | |
215 | MACHINE_END |